By National Wind Watch Emera Inc. says it has submitted a competitive bid to deliver 900 megawatts of wind energy and hydro power from Atlantic Canada to Massachusetts by 2022. If successful, the main source of that power would likely be wind farms yet to be built in New Brunswick. The company said because wind power can be unreliable, the proposal will also use on hydro power, including power from the Muskrat Falls hydro-electric dam being constructed in Labrador and due to come online . . .